20131320170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{12923}}^1$

素因数の和:13487

約数の個数: 64

約数和(自身を含む): 40801791744

約数和(自身を除く): 20670471574

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 521, 598, 1042, 1495, 2605, 2990, 5210, 6773, 11983, 12923, 13546, 23966, 25846, 33865, 59915, 64615, 67730, 119830, 129230, 155779, 167999, 297229, 311558, 335998, 594458, 778895, 839995, 1486145, 1557790, 1679990, 2972290, 3863977, 6732883, 7727954, 13465766, 19319885, 33664415, 38639770, 67328830, 87527479, 154856309, 175054958, 309712618, 437637395, 774281545, 875274790, 1548563090, 2013132017, 4026264034, 10065660085, 20131320170]

約数ペア:

[(1, 20131320170), (2, 10065660085), (5, 4026264034), (10, 2013132017), (13, 1548563090), (23, 875274790), (26, 774281545), (46, 437637395), (65, 309712618), (115, 175054958), (130, 154856309), (230, 87527479), (299, 67328830), (521, 38639770), (598, 33664415), (1042, 19319885), (1495, 13465766), (2605, 7727954), (2990, 6732883), (5210, 3863977), (6773, 2972290), (11983, 1679990), (12923, 1557790), (13546, 1486145), (23966, 839995), (25846, 778895), (33865, 594458), (59915, 335998), (64615, 311558), (67730, 297229), (119830, 167999), (129230, 155779)]