40266880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3701}}^1$

素因数の和:3737

約数の個数: 64

約数和(自身を含む): 101953080

約数和(自身を除く): 61686200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 3701, 5440, 7402, 10880, 14804, 18505, 29608, 37010, 59216, 62917, 74020, 118432, 125834, 148040, 236864, 251668, 296080, 314585, 473728, 503336, 592160, 629170, 1006672, 1184320, 1258340, 2013344, 2368640, 2516680, 4026688, 5033360, 8053376, 10066720, 20133440, 40266880]

約数ペア:

[(1, 40266880), (2, 20133440), (4, 10066720), (5, 8053376), (8, 5033360), (10, 4026688), (16, 2516680), (17, 2368640), (20, 2013344), (32, 1258340), (34, 1184320), (40, 1006672), (64, 629170), (68, 592160), (80, 503336), (85, 473728), (128, 314585), (136, 296080), (160, 251668), (170, 236864), (272, 148040), (320, 125834), (340, 118432), (544, 74020), (640, 62917), (680, 59216), (1088, 37010), (1360, 29608), (2176, 18505), (2720, 14804), (3701, 10880), (5440, 7402)]