79666280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 189665280

約数和(自身を除く): 109999000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1567, 1640, 2542, 3134, 5084, 6268, 6355, 7835, 10168, 12536, 12710, 15670, 25420, 31340, 48577, 50840, 62680, 64247, 97154, 128494, 194308, 242885, 256988, 321235, 388616, 485770, 513976, 642470, 971540, 1284940, 1943080, 1991657, 2569880, 3983314, 7966628, 9958285, 15933256, 19916570, 39833140, 79666280]

約数ペア:

[(1, 79666280), (2, 39833140), (4, 19916570), (5, 15933256), (8, 9958285), (10, 7966628), (20, 3983314), (31, 2569880), (40, 1991657), (41, 1943080), (62, 1284940), (82, 971540), (124, 642470), (155, 513976), (164, 485770), (205, 388616), (248, 321235), (310, 256988), (328, 242885), (410, 194308), (620, 128494), (820, 97154), (1240, 64247), (1271, 62680), (1567, 50840), (1640, 48577), (2542, 31340), (3134, 25420), (5084, 15670), (6268, 12710), (6355, 12536), (7835, 10168)]