38878450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 80874288

約数和(自身を除く): 41995838

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 107, 130, 169, 214, 215, 325, 338, 430, 535, 559, 650, 845, 1070, 1075, 1118, 1391, 1690, 2150, 2675, 2782, 2795, 4225, 4601, 5350, 5590, 6955, 7267, 8450, 9202, 13910, 13975, 14534, 18083, 23005, 27950, 34775, 36166, 36335, 46010, 59813, 69550, 72670, 90415, 115025, 119626, 180830, 181675, 230050, 299065, 363350, 452075, 598130, 777569, 904150, 1495325, 1555138, 2990650, 3887845, 7775690, 19439225, 38878450]

約数ペア:

[(1, 38878450), (2, 19439225), (5, 7775690), (10, 3887845), (13, 2990650), (25, 1555138), (26, 1495325), (43, 904150), (50, 777569), (65, 598130), (86, 452075), (107, 363350), (130, 299065), (169, 230050), (214, 181675), (215, 180830), (325, 119626), (338, 115025), (430, 90415), (535, 72670), (559, 69550), (650, 59813), (845, 46010), (1070, 36335), (1075, 36166), (1118, 34775), (1391, 27950), (1690, 23005), (2150, 18083), (2675, 14534), (2782, 13975), (2795, 13910), (4225, 9202), (4601, 8450), (5350, 7267), (5590, 6955)]