90162400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2684

約数の個数: 72

約数和(自身を含む): 225313704

約数和(自身を除く): 135151304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 2621, 3440, 4300, 5242, 6880, 8600, 10484, 13105, 17200, 20968, 26210, 34400, 41936, 52420, 65525, 83872, 104840, 112703, 131050, 209680, 225406, 262100, 419360, 450812, 524200, 563515, 901624, 1048400, 1127030, 1803248, 2096800, 2254060, 2817575, 3606496, 4508120, 5635150, 9016240, 11270300, 18032480, 22540600, 45081200, 90162400]

約数ペア:

[(1, 90162400), (2, 45081200), (4, 22540600), (5, 18032480), (8, 11270300), (10, 9016240), (16, 5635150), (20, 4508120), (25, 3606496), (32, 2817575), (40, 2254060), (43, 2096800), (50, 1803248), (80, 1127030), (86, 1048400), (100, 901624), (160, 563515), (172, 524200), (200, 450812), (215, 419360), (344, 262100), (400, 225406), (430, 209680), (688, 131050), (800, 112703), (860, 104840), (1075, 83872), (1376, 65525), (1720, 52420), (2150, 41936), (2621, 34400), (3440, 26210), (4300, 20968), (5242, 17200), (6880, 13105), (8600, 10484)]