28481120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 73428768

約数和(自身を除く): 44947648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 283, 296, 340, 370, 544, 566, 592, 629, 680, 740, 1132, 1184, 1258, 1360, 1415, 1480, 2264, 2516, 2720, 2830, 2960, 3145, 4528, 4811, 5032, 5660, 5920, 6290, 9056, 9622, 10064, 10471, 11320, 12580, 19244, 20128, 20942, 22640, 24055, 25160, 38488, 41884, 45280, 48110, 50320, 52355, 76976, 83768, 96220, 100640, 104710, 153952, 167536, 178007, 192440, 209420, 335072, 356014, 384880, 418840, 712028, 769760, 837680, 890035, 1424056, 1675360, 1780070, 2848112, 3560140, 5696224, 7120280, 14240560, 28481120]

約数ペア:

[(1, 28481120), (2, 14240560), (4, 7120280), (5, 5696224), (8, 3560140), (10, 2848112), (16, 1780070), (17, 1675360), (20, 1424056), (32, 890035), (34, 837680), (37, 769760), (40, 712028), (68, 418840), (74, 384880), (80, 356014), (85, 335072), (136, 209420), (148, 192440), (160, 178007), (170, 167536), (185, 153952), (272, 104710), (283, 100640), (296, 96220), (340, 83768), (370, 76976), (544, 52355), (566, 50320), (592, 48110), (629, 45280), (680, 41884), (740, 38488), (1132, 25160), (1184, 24055), (1258, 22640), (1360, 20942), (1415, 20128), (1480, 19244), (2264, 12580), (2516, 11320), (2720, 10471), (2830, 10064), (2960, 9622), (3145, 9056), (4528, 6290), (4811, 5920), (5032, 5660)]