23721100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 56433888

約数和(自身を除く): 32712788

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 257, 260, 284, 325, 355, 514, 650, 710, 923, 1028, 1285, 1300, 1420, 1775, 1846, 2570, 3341, 3550, 3692, 4615, 5140, 6425, 6682, 7100, 9230, 12850, 13364, 16705, 18247, 18460, 23075, 25700, 33410, 36494, 46150, 66820, 72988, 83525, 91235, 92300, 167050, 182470, 237211, 334100, 364940, 456175, 474422, 912350, 948844, 1186055, 1824700, 2372110, 4744220, 5930275, 11860550, 23721100]

約数ペア:

[(1, 23721100), (2, 11860550), (4, 5930275), (5, 4744220), (10, 2372110), (13, 1824700), (20, 1186055), (25, 948844), (26, 912350), (50, 474422), (52, 456175), (65, 364940), (71, 334100), (100, 237211), (130, 182470), (142, 167050), (257, 92300), (260, 91235), (284, 83525), (325, 72988), (355, 66820), (514, 46150), (650, 36494), (710, 33410), (923, 25700), (1028, 23075), (1285, 18460), (1300, 18247), (1420, 16705), (1775, 13364), (1846, 12850), (2570, 9230), (3341, 7100), (3550, 6682), (3692, 6425), (4615, 5140)]