805120

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 2097144

約数和(自身を除く): 1292024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 148, 160, 170, 185, 256, 272, 296, 320, 340, 370, 544, 592, 629, 640, 680, 740, 1088, 1184, 1258, 1280, 1360, 1480, 2176, 2368, 2516, 2720, 2960, 3145, 4352, 4736, 5032, 5440, 5920, 6290, 9472, 10064, 10880, 11840, 12580, 20128, 21760, 23680, 25160, 40256, 47360, 50320, 80512, 100640, 161024, 201280, 402560, 805120]

約数ペア:

[(1, 805120), (2, 402560), (4, 201280), (5, 161024), (8, 100640), (10, 80512), (16, 50320), (17, 47360), (20, 40256), (32, 25160), (34, 23680), (37, 21760), (40, 20128), (64, 12580), (68, 11840), (74, 10880), (80, 10064), (85, 9472), (128, 6290), (136, 5920), (148, 5440), (160, 5032), (170, 4736), (185, 4352), (256, 3145), (272, 2960), (296, 2720), (320, 2516), (340, 2368), (370, 2176), (544, 1480), (592, 1360), (629, 1280), (640, 1258), (680, 1184), (740, 1088)]