40774240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19631

約数の個数: 48

約数和(自身を含む): 103744368

約数和(自身を除く): 62970128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 19603, 39206, 78412, 98015, 156824, 196030, 254839, 313648, 392060, 509678, 627296, 784120, 1019356, 1274195, 1568240, 2038712, 2548390, 3136480, 4077424, 5096780, 8154848, 10193560, 20387120, 40774240]

約数ペア:

[(1, 40774240), (2, 20387120), (4, 10193560), (5, 8154848), (8, 5096780), (10, 4077424), (13, 3136480), (16, 2548390), (20, 2038712), (26, 1568240), (32, 1274195), (40, 1019356), (52, 784120), (65, 627296), (80, 509678), (104, 392060), (130, 313648), (160, 254839), (208, 196030), (260, 156824), (416, 98015), (520, 78412), (1040, 39206), (2080, 19603)]