40528040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2731}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 106220160

約数和(自身を除く): 65692120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2731, 2968, 3710, 5462, 7420, 10924, 13655, 14840, 19117, 21848, 27310, 38234, 54620, 76468, 95585, 109240, 144743, 152936, 191170, 289486, 382340, 578972, 723715, 764680, 1013201, 1157944, 1447430, 2026402, 2894860, 4052804, 5066005, 5789720, 8105608, 10132010, 20264020, 40528040]

約数ペア:

[(1, 40528040), (2, 20264020), (4, 10132010), (5, 8105608), (7, 5789720), (8, 5066005), (10, 4052804), (14, 2894860), (20, 2026402), (28, 1447430), (35, 1157944), (40, 1013201), (53, 764680), (56, 723715), (70, 578972), (106, 382340), (140, 289486), (212, 191170), (265, 152936), (280, 144743), (371, 109240), (424, 95585), (530, 76468), (742, 54620), (1060, 38234), (1484, 27310), (1855, 21848), (2120, 19117), (2731, 14840), (2968, 13655), (3710, 10924), (5462, 7420)]