20145458500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{56509}}^1$

素因数の和:56582

約数の個数: 96

約数和(自身を含む): 47392450560

約数和(自身を除く): 27246992060

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 125, 155, 230, 250, 310, 460, 500, 575, 620, 713, 775, 1150, 1426, 1550, 2300, 2852, 2875, 3100, 3565, 3875, 5750, 7130, 7750, 11500, 14260, 15500, 17825, 35650, 56509, 71300, 89125, 113018, 178250, 226036, 282545, 356500, 565090, 1130180, 1299707, 1412725, 1751779, 2599414, 2825450, 3503558, 5198828, 5650900, 6498535, 7007116, 7063625, 8758895, 12997070, 14127250, 17517790, 25994140, 28254500, 32492675, 35035580, 40290917, 43794475, 64985350, 80581834, 87588950, 129970700, 161163668, 162463375, 175177900, 201454585, 218972375, 324926750, 402909170, 437944750, 649853500, 805818340, 875889500, 1007272925, 2014545850, 4029091700, 5036364625, 10072729250, 20145458500]

約数ペア:

[(1, 20145458500), (2, 10072729250), (4, 5036364625), (5, 4029091700), (10, 2014545850), (20, 1007272925), (23, 875889500), (25, 805818340), (31, 649853500), (46, 437944750), (50, 402909170), (62, 324926750), (92, 218972375), (100, 201454585), (115, 175177900), (124, 162463375), (125, 161163668), (155, 129970700), (230, 87588950), (250, 80581834), (310, 64985350), (460, 43794475), (500, 40290917), (575, 35035580), (620, 32492675), (713, 28254500), (775, 25994140), (1150, 17517790), (1426, 14127250), (1550, 12997070), (2300, 8758895), (2852, 7063625), (2875, 7007116), (3100, 6498535), (3565, 5650900), (3875, 5198828), (5750, 3503558), (7130, 2825450), (7750, 2599414), (11500, 1751779), (14260, 1412725), (15500, 1299707), (17825, 1130180), (35650, 565090), (56509, 356500), (71300, 282545), (89125, 226036), (113018, 178250)]