51663950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 105264096

約数和(自身を除く): 53600146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1303, 1525, 1586, 2606, 3050, 3965, 6515, 7930, 13030, 16939, 19825, 32575, 33878, 39650, 65150, 79483, 84695, 158966, 169390, 397415, 423475, 794830, 846950, 1033279, 1987075, 2066558, 3974150, 5166395, 10332790, 25831975, 51663950]

約数ペア:

[(1, 51663950), (2, 25831975), (5, 10332790), (10, 5166395), (13, 3974150), (25, 2066558), (26, 1987075), (50, 1033279), (61, 846950), (65, 794830), (122, 423475), (130, 397415), (305, 169390), (325, 158966), (610, 84695), (650, 79483), (793, 65150), (1303, 39650), (1525, 33878), (1586, 32575), (2606, 19825), (3050, 16939), (3965, 13030), (6515, 7930)]