781300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 1828876

約数和(自身を除く): 1047576

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 601, 650, 1202, 1300, 2404, 3005, 6010, 7813, 12020, 15025, 15626, 30050, 31252, 39065, 60100, 78130, 156260, 195325, 390650, 781300]

約数ペア:

[(1, 781300), (2, 390650), (4, 195325), (5, 156260), (10, 78130), (13, 60100), (20, 39065), (25, 31252), (26, 30050), (50, 15626), (52, 15025), (65, 12020), (100, 7813), (130, 6010), (260, 3005), (325, 2404), (601, 1300), (650, 1202)]