28250625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 54232640

約数和(自身を除く): 25982015

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 61, 65, 75, 95, 125, 183, 195, 247, 285, 305, 325, 375, 475, 625, 741, 793, 915, 975, 1159, 1235, 1425, 1525, 1625, 1875, 2375, 2379, 3477, 3705, 3965, 4575, 4875, 5795, 6175, 7125, 7625, 8125, 11875, 11895, 15067, 17385, 18525, 19825, 22875, 24375, 28975, 30875, 35625, 38125, 45201, 59475, 75335, 86925, 92625, 99125, 114375, 144875, 154375, 226005, 297375, 376675, 434625, 463125, 495625, 724375, 1130025, 1486875, 1883375, 2173125, 5650125, 9416875, 28250625]

約数ペア:

[(1, 28250625), (3, 9416875), (5, 5650125), (13, 2173125), (15, 1883375), (19, 1486875), (25, 1130025), (39, 724375), (57, 495625), (61, 463125), (65, 434625), (75, 376675), (95, 297375), (125, 226005), (183, 154375), (195, 144875), (247, 114375), (285, 99125), (305, 92625), (325, 86925), (375, 75335), (475, 59475), (625, 45201), (741, 38125), (793, 35625), (915, 30875), (975, 28975), (1159, 24375), (1235, 22875), (1425, 19825), (1525, 18525), (1625, 17385), (1875, 15067), (2375, 11895), (2379, 11875), (3477, 8125), (3705, 7625), (3965, 7125), (4575, 6175), (4875, 5795)]