40894270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 41220290

約数列:

[1, 2, 5, 10, 19, 31, 38, 53, 62, 95, 106, 131, 155, 190, 262, 265, 310, 530, 589, 655, 1007, 1178, 1310, 1643, 2014, 2489, 2945, 3286, 4061, 4978, 5035, 5890, 6943, 8122, 8215, 10070, 12445, 13886, 16430, 20305, 24890, 31217, 34715, 40610, 62434, 69430, 77159, 131917, 154318, 156085, 215233, 263834, 312170, 385795, 430466, 659585, 771590, 1076165, 1319170, 2152330, 4089427, 8178854, 20447135, 40894270]

約数ペア:

[(1, 40894270), (2, 20447135), (5, 8178854), (10, 4089427), (19, 2152330), (31, 1319170), (38, 1076165), (53, 771590), (62, 659585), (95, 430466), (106, 385795), (131, 312170), (155, 263834), (190, 215233), (262, 156085), (265, 154318), (310, 131917), (530, 77159), (589, 69430), (655, 62434), (1007, 40610), (1178, 34715), (1310, 31217), (1643, 24890), (2014, 20305), (2489, 16430), (2945, 13886), (3286, 12445), (4061, 10070), (4978, 8215), (5035, 8122), (5890, 6943)]