18939462400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{95461}}^1$

素因数の和:95518

約数の個数: 108

約数和(自身を含む): 48390833344

約数和(自身を除く): 29451370944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1280, 1550, 1600, 1984, 2480, 3100, 3200, 3968, 4960, 6200, 6400, 7936, 9920, 12400, 19840, 24800, 39680, 49600, 95461, 99200, 190922, 198400, 381844, 477305, 763688, 954610, 1527376, 1909220, 2386525, 2959291, 3054752, 3818440, 4773050, 5918582, 6109504, 7636880, 9546100, 11837164, 12219008, 14796455, 15273760, 19092200, 23674328, 24438016, 29592910, 30547520, 38184400, 47348656, 59185820, 61095040, 73982275, 76368800, 94697312, 118371640, 122190080, 147964550, 152737600, 189394624, 236743280, 295929100, 305475200, 378789248, 473486560, 591858200, 610950400, 757578496, 946973120, 1183716400, 1893946240, 2367432800, 3787892480, 4734865600, 9469731200, 18939462400]

約数ペア:

[(1, 18939462400), (2, 9469731200), (4, 4734865600), (5, 3787892480), (8, 2367432800), (10, 1893946240), (16, 1183716400), (20, 946973120), (25, 757578496), (31, 610950400), (32, 591858200), (40, 473486560), (50, 378789248), (62, 305475200), (64, 295929100), (80, 236743280), (100, 189394624), (124, 152737600), (128, 147964550), (155, 122190080), (160, 118371640), (200, 94697312), (248, 76368800), (256, 73982275), (310, 61095040), (320, 59185820), (400, 47348656), (496, 38184400), (620, 30547520), (640, 29592910), (775, 24438016), (800, 23674328), (992, 19092200), (1240, 15273760), (1280, 14796455), (1550, 12219008), (1600, 11837164), (1984, 9546100), (2480, 7636880), (3100, 6109504), (3200, 5918582), (3968, 4773050), (4960, 3818440), (6200, 3054752), (6400, 2959291), (7936, 2386525), (9920, 1909220), (12400, 1527376), (19840, 954610), (24800, 763688), (39680, 477305), (49600, 381844), (95461, 198400), (99200, 190922)]