8857931920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{12799}}^1$

素因数の和:13064

約数の個数: 80

約数和(自身を含む): 21198643200

約数和(自身を除く): 12340711280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 211, 328, 410, 422, 656, 820, 844, 1055, 1640, 1688, 2110, 3280, 3376, 4220, 8440, 8651, 12799, 16880, 17302, 25598, 34604, 43255, 51196, 63995, 69208, 86510, 102392, 127990, 138416, 173020, 204784, 255980, 346040, 511960, 524759, 692080, 1023920, 1049518, 2099036, 2623795, 2700589, 4198072, 5247590, 5401178, 8396144, 10495180, 10802356, 13502945, 20990360, 21604712, 27005890, 41980720, 43209424, 54011780, 108023560, 110724149, 216047120, 221448298, 442896596, 553620745, 885793192, 1107241490, 1771586384, 2214482980, 4428965960, 8857931920]

約数ペア:

[(1, 8857931920), (2, 4428965960), (4, 2214482980), (5, 1771586384), (8, 1107241490), (10, 885793192), (16, 553620745), (20, 442896596), (40, 221448298), (41, 216047120), (80, 110724149), (82, 108023560), (164, 54011780), (205, 43209424), (211, 41980720), (328, 27005890), (410, 21604712), (422, 20990360), (656, 13502945), (820, 10802356), (844, 10495180), (1055, 8396144), (1640, 5401178), (1688, 5247590), (2110, 4198072), (3280, 2700589), (3376, 2623795), (4220, 2099036), (8440, 1049518), (8651, 1023920), (12799, 692080), (16880, 524759), (17302, 511960), (25598, 346040), (34604, 255980), (43255, 204784), (51196, 173020), (63995, 138416), (69208, 127990), (86510, 102392)]