25999980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22807}}^1$

素因数の和:22838

約数の個数: 48

約数和(自身を含む): 76634880

約数和(自身を除く): 50634900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 22807, 45614, 68421, 91228, 114035, 136842, 228070, 273684, 342105, 433333, 456140, 684210, 866666, 1299999, 1368420, 1733332, 2166665, 2599998, 4333330, 5199996, 6499995, 8666660, 12999990, 25999980]

約数ペア:

[(1, 25999980), (2, 12999990), (3, 8666660), (4, 6499995), (5, 5199996), (6, 4333330), (10, 2599998), (12, 2166665), (15, 1733332), (19, 1368420), (20, 1299999), (30, 866666), (38, 684210), (57, 456140), (60, 433333), (76, 342105), (95, 273684), (114, 228070), (190, 136842), (228, 114035), (285, 91228), (380, 68421), (570, 45614), (1140, 22807)]