38751440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5323}}^1$

素因数の和:5356

約数の個数: 80

約数和(自身を含む): 110909568

約数和(自身を除く): 72158128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5323, 7280, 10646, 21292, 26615, 37261, 42584, 53230, 69199, 74522, 85168, 106460, 138398, 149044, 186305, 212920, 276796, 298088, 345995, 372610, 425840, 484393, 553592, 596176, 691990, 745220, 968786, 1107184, 1383980, 1490440, 1937572, 2421965, 2767960, 2980880, 3875144, 4843930, 5535920, 7750288, 9687860, 19375720, 38751440]

約数ペア:

[(1, 38751440), (2, 19375720), (4, 9687860), (5, 7750288), (7, 5535920), (8, 4843930), (10, 3875144), (13, 2980880), (14, 2767960), (16, 2421965), (20, 1937572), (26, 1490440), (28, 1383980), (35, 1107184), (40, 968786), (52, 745220), (56, 691990), (65, 596176), (70, 553592), (80, 484393), (91, 425840), (104, 372610), (112, 345995), (130, 298088), (140, 276796), (182, 212920), (208, 186305), (260, 149044), (280, 138398), (364, 106460), (455, 85168), (520, 74522), (560, 69199), (728, 53230), (910, 42584), (1040, 37261), (1456, 26615), (1820, 21292), (3640, 10646), (5323, 7280)]