19589049520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{9791}}^1$

素因数の和:10174

約数の個数: 80

約数和(自身を含む): 46224898560

約数和(自身を除く): 26635849040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 281, 356, 445, 562, 712, 890, 1124, 1405, 1424, 1780, 2248, 2810, 3560, 4496, 5620, 7120, 9791, 11240, 19582, 22480, 25009, 39164, 48955, 50018, 78328, 97910, 100036, 125045, 156656, 195820, 200072, 250090, 391640, 400144, 500180, 783280, 871399, 1000360, 1742798, 2000720, 2751271, 3485596, 4356995, 5502542, 6971192, 8713990, 11005084, 13756355, 13942384, 17427980, 22010168, 27512710, 34855960, 44020336, 55025420, 69711920, 110050840, 220101680, 244863119, 489726238, 979452476, 1224315595, 1958904952, 2448631190, 3917809904, 4897262380, 9794524760, 19589049520]

約数ペア:

[(1, 19589049520), (2, 9794524760), (4, 4897262380), (5, 3917809904), (8, 2448631190), (10, 1958904952), (16, 1224315595), (20, 979452476), (40, 489726238), (80, 244863119), (89, 220101680), (178, 110050840), (281, 69711920), (356, 55025420), (445, 44020336), (562, 34855960), (712, 27512710), (890, 22010168), (1124, 17427980), (1405, 13942384), (1424, 13756355), (1780, 11005084), (2248, 8713990), (2810, 6971192), (3560, 5502542), (4496, 4356995), (5620, 3485596), (7120, 2751271), (9791, 2000720), (11240, 1742798), (19582, 1000360), (22480, 871399), (25009, 783280), (39164, 500180), (48955, 400144), (50018, 391640), (78328, 250090), (97910, 200072), (100036, 195820), (125045, 156656)]