20131682720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{4129}}^1$

素因数の和:5158

約数の個数: 96

約数和(自身を含む): 49157176320

約数和(自身を除く): 29025493600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 983, 992, 1240, 1966, 2480, 3932, 4129, 4915, 4960, 7864, 8258, 9830, 15728, 16516, 19660, 20645, 30473, 31456, 33032, 39320, 41290, 60946, 66064, 78640, 82580, 121892, 127999, 132128, 152365, 157280, 165160, 243784, 255998, 304730, 330320, 487568, 511996, 609460, 639995, 660640, 975136, 1023992, 1218920, 1279990, 2047984, 2437840, 2559980, 4058807, 4095968, 4875680, 5119960, 8117614, 10239920, 16235228, 20294035, 20479840, 32470456, 40588070, 64940912, 81176140, 125823017, 129881824, 162352280, 251646034, 324704560, 503292068, 629115085, 649409120, 1006584136, 1258230170, 2013168272, 2516460340, 4026336544, 5032920680, 10065841360, 20131682720]

約数ペア:

[(1, 20131682720), (2, 10065841360), (4, 5032920680), (5, 4026336544), (8, 2516460340), (10, 2013168272), (16, 1258230170), (20, 1006584136), (31, 649409120), (32, 629115085), (40, 503292068), (62, 324704560), (80, 251646034), (124, 162352280), (155, 129881824), (160, 125823017), (248, 81176140), (310, 64940912), (496, 40588070), (620, 32470456), (983, 20479840), (992, 20294035), (1240, 16235228), (1966, 10239920), (2480, 8117614), (3932, 5119960), (4129, 4875680), (4915, 4095968), (4960, 4058807), (7864, 2559980), (8258, 2437840), (9830, 2047984), (15728, 1279990), (16516, 1218920), (19660, 1023992), (20645, 975136), (30473, 660640), (31456, 639995), (33032, 609460), (39320, 511996), (41290, 487568), (60946, 330320), (66064, 304730), (78640, 255998), (82580, 243784), (121892, 165160), (127999, 157280), (132128, 152365)]