27559780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 59564736

約数和(自身を除く): 32004956

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 157, 262, 268, 314, 335, 524, 628, 655, 670, 785, 1310, 1340, 1570, 2620, 3140, 8777, 10519, 17554, 20567, 21038, 35108, 41134, 42076, 43885, 52595, 82268, 87770, 102835, 105190, 175540, 205670, 210380, 411340, 1377989, 2755978, 5511956, 6889945, 13779890, 27559780]

約数ペア:

[(1, 27559780), (2, 13779890), (4, 6889945), (5, 5511956), (10, 2755978), (20, 1377989), (67, 411340), (131, 210380), (134, 205670), (157, 175540), (262, 105190), (268, 102835), (314, 87770), (335, 82268), (524, 52595), (628, 43885), (655, 42076), (670, 41134), (785, 35108), (1310, 21038), (1340, 20567), (1570, 17554), (2620, 10519), (3140, 8777)]