40198340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1699}}^1$

素因数の和:1741

約数の個数: 72

約数和(自身を含む): 104529600

約数和(自身を除く): 64331260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1699, 1820, 2366, 3380, 3398, 4732, 5915, 6796, 8495, 11830, 11893, 16990, 22087, 23660, 23786, 33980, 44174, 47572, 59465, 88348, 110435, 118930, 154609, 220870, 237860, 287131, 309218, 441740, 574262, 618436, 773045, 1148524, 1435655, 1546090, 2009917, 2871310, 3092180, 4019834, 5742620, 8039668, 10049585, 20099170, 40198340]

約数ペア:

[(1, 40198340), (2, 20099170), (4, 10049585), (5, 8039668), (7, 5742620), (10, 4019834), (13, 3092180), (14, 2871310), (20, 2009917), (26, 1546090), (28, 1435655), (35, 1148524), (52, 773045), (65, 618436), (70, 574262), (91, 441740), (130, 309218), (140, 287131), (169, 237860), (182, 220870), (260, 154609), (338, 118930), (364, 110435), (455, 88348), (676, 59465), (845, 47572), (910, 44174), (1183, 33980), (1690, 23786), (1699, 23660), (1820, 22087), (2366, 16990), (3380, 11893), (3398, 11830), (4732, 8495), (5915, 6796)]