812728240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7993}}^1$

素因数の和:8078

約数の個数: 80

約数和(自身を含む): 1998372096

約数和(自身を除く): 1185643856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 6355, 7993, 10168, 12710, 15986, 20336, 25420, 31972, 39965, 50840, 63944, 79930, 101680, 127888, 159860, 247783, 319720, 327713, 495566, 639440, 655426, 991132, 1238915, 1310852, 1638565, 1982264, 2477830, 2621704, 3277130, 3964528, 4955660, 5243408, 6554260, 9911320, 10159103, 13108520, 19822640, 20318206, 26217040, 40636412, 50795515, 81272824, 101591030, 162545648, 203182060, 406364120, 812728240]

約数ペア:

[(1, 812728240), (2, 406364120), (4, 203182060), (5, 162545648), (8, 101591030), (10, 81272824), (16, 50795515), (20, 40636412), (31, 26217040), (40, 20318206), (41, 19822640), (62, 13108520), (80, 10159103), (82, 9911320), (124, 6554260), (155, 5243408), (164, 4955660), (205, 3964528), (248, 3277130), (310, 2621704), (328, 2477830), (410, 1982264), (496, 1638565), (620, 1310852), (656, 1238915), (820, 991132), (1240, 655426), (1271, 639440), (1640, 495566), (2480, 327713), (2542, 319720), (3280, 247783), (5084, 159860), (6355, 127888), (7993, 101680), (10168, 79930), (12710, 63944), (15986, 50840), (20336, 39965), (25420, 31972)]