40865240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 100245600

約数和(自身を除く): 59380360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 883, 890, 1157, 1766, 1780, 2314, 3532, 3560, 4415, 4628, 5785, 7064, 8830, 9256, 11479, 11570, 17660, 22958, 23140, 35320, 45916, 46280, 57395, 78587, 91832, 114790, 157174, 229580, 314348, 392935, 459160, 628696, 785870, 1021631, 1571740, 2043262, 3143480, 4086524, 5108155, 8173048, 10216310, 20432620, 40865240]

約数ペア:

[(1, 40865240), (2, 20432620), (4, 10216310), (5, 8173048), (8, 5108155), (10, 4086524), (13, 3143480), (20, 2043262), (26, 1571740), (40, 1021631), (52, 785870), (65, 628696), (89, 459160), (104, 392935), (130, 314348), (178, 229580), (260, 157174), (356, 114790), (445, 91832), (520, 78587), (712, 57395), (883, 46280), (890, 45916), (1157, 35320), (1766, 23140), (1780, 22958), (2314, 17660), (3532, 11570), (3560, 11479), (4415, 9256), (4628, 8830), (5785, 7064)]