28040450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 55978560

約数和(自身を除く): 27938110

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 575, 659, 851, 925, 1150, 1318, 1702, 1850, 3295, 4255, 6590, 8510, 15157, 16475, 21275, 24383, 30314, 32950, 42550, 48766, 75785, 121915, 151570, 243830, 378925, 560809, 609575, 757850, 1121618, 1219150, 2804045, 5608090, 14020225, 28040450]

約数ペア:

[(1, 28040450), (2, 14020225), (5, 5608090), (10, 2804045), (23, 1219150), (25, 1121618), (37, 757850), (46, 609575), (50, 560809), (74, 378925), (115, 243830), (185, 151570), (230, 121915), (370, 75785), (575, 48766), (659, 42550), (851, 32950), (925, 30314), (1150, 24383), (1318, 21275), (1702, 16475), (1850, 15157), (3295, 8510), (4255, 6590)]