40220128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 86153760

約数和(自身を除く): 45933632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 436, 872, 887, 1417, 1744, 1774, 2834, 3488, 3548, 5668, 7096, 11336, 11531, 14192, 22672, 23062, 28384, 45344, 46124, 92248, 96683, 184496, 193366, 368992, 386732, 773464, 1256879, 1546928, 2513758, 3093856, 5027516, 10055032, 20110064, 40220128]

約数ペア:

[(1, 40220128), (2, 20110064), (4, 10055032), (8, 5027516), (13, 3093856), (16, 2513758), (26, 1546928), (32, 1256879), (52, 773464), (104, 386732), (109, 368992), (208, 193366), (218, 184496), (416, 96683), (436, 92248), (872, 46124), (887, 45344), (1417, 28384), (1744, 23062), (1774, 22672), (2834, 14192), (3488, 11531), (3548, 11336), (5668, 7096)]