39654880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 101243520

約数和(自身を除く): 61588640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 160, 170, 239, 244, 272, 305, 340, 478, 488, 544, 610, 680, 956, 976, 1037, 1195, 1220, 1360, 1912, 1952, 2074, 2390, 2440, 2720, 3824, 4063, 4148, 4780, 4880, 5185, 7648, 8126, 8296, 9560, 9760, 10370, 14579, 16252, 16592, 19120, 20315, 20740, 29158, 32504, 33184, 38240, 40630, 41480, 58316, 65008, 72895, 81260, 82960, 116632, 130016, 145790, 162520, 165920, 233264, 247843, 291580, 325040, 466528, 495686, 583160, 650080, 991372, 1166320, 1239215, 1982744, 2332640, 2478430, 3965488, 4956860, 7930976, 9913720, 19827440, 39654880]

約数ペア:

[(1, 39654880), (2, 19827440), (4, 9913720), (5, 7930976), (8, 4956860), (10, 3965488), (16, 2478430), (17, 2332640), (20, 1982744), (32, 1239215), (34, 1166320), (40, 991372), (61, 650080), (68, 583160), (80, 495686), (85, 466528), (122, 325040), (136, 291580), (160, 247843), (170, 233264), (239, 165920), (244, 162520), (272, 145790), (305, 130016), (340, 116632), (478, 82960), (488, 81260), (544, 72895), (610, 65008), (680, 58316), (956, 41480), (976, 40630), (1037, 38240), (1195, 33184), (1220, 32504), (1360, 29158), (1912, 20740), (1952, 20315), (2074, 19120), (2390, 16592), (2440, 16252), (2720, 14579), (3824, 10370), (4063, 9760), (4148, 9560), (4780, 8296), (4880, 8126), (5185, 7648)]