38994280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 62612120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 59, 62, 65, 82, 104, 118, 124, 130, 155, 164, 205, 236, 248, 260, 295, 310, 328, 403, 410, 472, 520, 533, 590, 620, 767, 806, 820, 1066, 1180, 1240, 1271, 1534, 1612, 1640, 1829, 2015, 2132, 2360, 2419, 2542, 2665, 3068, 3224, 3658, 3835, 4030, 4264, 4838, 5084, 5330, 6136, 6355, 7316, 7670, 8060, 9145, 9676, 10168, 10660, 12095, 12710, 14632, 15340, 16120, 16523, 18290, 19352, 21320, 23777, 24190, 25420, 30680, 31447, 33046, 36580, 47554, 48380, 50840, 62894, 66092, 73160, 74989, 82615, 95108, 96760, 118885, 125788, 132184, 149978, 157235, 165230, 190216, 237770, 251576, 299956, 314470, 330460, 374945, 475540, 599912, 628940, 660920, 749890, 951080, 974857, 1257880, 1499780, 1949714, 2999560, 3899428, 4874285, 7798856, 9748570, 19497140, 38994280]

約数ペア:

[(1, 38994280), (2, 19497140), (4, 9748570), (5, 7798856), (8, 4874285), (10, 3899428), (13, 2999560), (20, 1949714), (26, 1499780), (31, 1257880), (40, 974857), (41, 951080), (52, 749890), (59, 660920), (62, 628940), (65, 599912), (82, 475540), (104, 374945), (118, 330460), (124, 314470), (130, 299956), (155, 251576), (164, 237770), (205, 190216), (236, 165230), (248, 157235), (260, 149978), (295, 132184), (310, 125788), (328, 118885), (403, 96760), (410, 95108), (472, 82615), (520, 74989), (533, 73160), (590, 66092), (620, 62894), (767, 50840), (806, 48380), (820, 47554), (1066, 36580), (1180, 33046), (1240, 31447), (1271, 30680), (1534, 25420), (1612, 24190), (1640, 23777), (1829, 21320), (2015, 19352), (2132, 18290), (2360, 16523), (2419, 16120), (2542, 15340), (2665, 14632), (3068, 12710), (3224, 12095), (3658, 10660), (3835, 10168), (4030, 9676), (4264, 9145), (4838, 8060), (5084, 7670), (5330, 7316), (6136, 6355)]