64409150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 129929184

約数和(自身を除く): 65520034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 325, 394, 503, 650, 985, 1006, 1970, 2515, 2561, 4925, 5030, 5122, 6539, 9850, 12575, 12805, 13078, 25150, 25610, 32695, 64025, 65390, 99091, 128050, 163475, 198182, 326950, 495455, 990910, 1288183, 2477275, 2576366, 4954550, 6440915, 12881830, 32204575, 64409150]

約数ペア:

[(1, 64409150), (2, 32204575), (5, 12881830), (10, 6440915), (13, 4954550), (25, 2576366), (26, 2477275), (50, 1288183), (65, 990910), (130, 495455), (197, 326950), (325, 198182), (394, 163475), (503, 128050), (650, 99091), (985, 65390), (1006, 64025), (1970, 32695), (2515, 25610), (2561, 25150), (4925, 13078), (5030, 12805), (5122, 12575), (6539, 9850)]