28901247980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13003}}^1\times {\mathrm{10103}}^1$

素因数の和:23126

約数の個数: 48

約数和(自身を含む): 66221777664

約数和(自身を除く): 37320529684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 10103, 13003, 20206, 26006, 40412, 50515, 52012, 65015, 101030, 111133, 130030, 143033, 202060, 222266, 260060, 286066, 444532, 555665, 572132, 715165, 1111330, 1430330, 2222660, 2860660, 131369309, 262738618, 525477236, 656846545, 1313693090, 1445062399, 2627386180, 2890124798, 5780249596, 7225311995, 14450623990, 28901247980]

約数ペア:

[(1, 28901247980), (2, 14450623990), (4, 7225311995), (5, 5780249596), (10, 2890124798), (11, 2627386180), (20, 1445062399), (22, 1313693090), (44, 656846545), (55, 525477236), (110, 262738618), (220, 131369309), (10103, 2860660), (13003, 2222660), (20206, 1430330), (26006, 1111330), (40412, 715165), (50515, 572132), (52012, 555665), (65015, 444532), (101030, 286066), (111133, 260060), (130030, 222266), (143033, 202060)]