128440390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{5711}}^1$

素因数の和:5904

約数の個数: 32

約数和(自身を含む): 250459776

約数和(自身を除く): 122019386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 5711, 11245, 11422, 22490, 28555, 57110, 74243, 148486, 371215, 742430, 988003, 1976006, 4940015, 9880030, 12844039, 25688078, 64220195, 128440390]

約数ペア:

[(1, 128440390), (2, 64220195), (5, 25688078), (10, 12844039), (13, 9880030), (26, 4940015), (65, 1976006), (130, 988003), (173, 742430), (346, 371215), (865, 148486), (1730, 74243), (2249, 57110), (4498, 28555), (5711, 22490), (11245, 11422)]