87782500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 215224856

約数和(自身を除く): 127442356

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 73, 74, 100, 125, 130, 146, 148, 185, 250, 260, 292, 325, 365, 370, 481, 500, 625, 650, 730, 740, 925, 949, 962, 1250, 1300, 1460, 1625, 1825, 1850, 1898, 1924, 2405, 2500, 2701, 3250, 3650, 3700, 3796, 4625, 4745, 4810, 5402, 6500, 7300, 8125, 9125, 9250, 9490, 9620, 10804, 12025, 13505, 16250, 18250, 18500, 18980, 23125, 23725, 24050, 27010, 32500, 35113, 36500, 45625, 46250, 47450, 48100, 54020, 60125, 67525, 70226, 91250, 92500, 94900, 118625, 120250, 135050, 140452, 175565, 182500, 237250, 240500, 270100, 300625, 337625, 351130, 474500, 593125, 601250, 675250, 702260, 877825, 1186250, 1202500, 1350500, 1688125, 1755650, 2372500, 3376250, 3511300, 4389125, 6752500, 8778250, 17556500, 21945625, 43891250, 87782500]

約数ペア:

[(1, 87782500), (2, 43891250), (4, 21945625), (5, 17556500), (10, 8778250), (13, 6752500), (20, 4389125), (25, 3511300), (26, 3376250), (37, 2372500), (50, 1755650), (52, 1688125), (65, 1350500), (73, 1202500), (74, 1186250), (100, 877825), (125, 702260), (130, 675250), (146, 601250), (148, 593125), (185, 474500), (250, 351130), (260, 337625), (292, 300625), (325, 270100), (365, 240500), (370, 237250), (481, 182500), (500, 175565), (625, 140452), (650, 135050), (730, 120250), (740, 118625), (925, 94900), (949, 92500), (962, 91250), (1250, 70226), (1300, 67525), (1460, 60125), (1625, 54020), (1825, 48100), (1850, 47450), (1898, 46250), (1924, 45625), (2405, 36500), (2500, 35113), (2701, 32500), (3250, 27010), (3650, 24050), (3700, 23725), (3796, 23125), (4625, 18980), (4745, 18500), (4810, 18250), (5402, 16250), (6500, 13505), (7300, 12025), (8125, 10804), (9125, 9620), (9250, 9490)]