25516660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 38495372

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 251, 260, 299, 340, 391, 442, 460, 502, 598, 782, 884, 1004, 1105, 1196, 1255, 1495, 1564, 1955, 2210, 2510, 2990, 3263, 3910, 4267, 4420, 5020, 5083, 5773, 5980, 6526, 7820, 8534, 10166, 11546, 13052, 16315, 17068, 20332, 21335, 23092, 25415, 28865, 32630, 42670, 50830, 55471, 57730, 65260, 75049, 85340, 98141, 101660, 110942, 115460, 150098, 196282, 221884, 277355, 300196, 375245, 392564, 490705, 554710, 750490, 981410, 1109420, 1275833, 1500980, 1962820, 2551666, 5103332, 6379165, 12758330, 25516660]

約数ペア:

[(1, 25516660), (2, 12758330), (4, 6379165), (5, 5103332), (10, 2551666), (13, 1962820), (17, 1500980), (20, 1275833), (23, 1109420), (26, 981410), (34, 750490), (46, 554710), (52, 490705), (65, 392564), (68, 375245), (85, 300196), (92, 277355), (115, 221884), (130, 196282), (170, 150098), (221, 115460), (230, 110942), (251, 101660), (260, 98141), (299, 85340), (340, 75049), (391, 65260), (442, 57730), (460, 55471), (502, 50830), (598, 42670), (782, 32630), (884, 28865), (1004, 25415), (1105, 23092), (1196, 21335), (1255, 20332), (1495, 17068), (1564, 16315), (1955, 13052), (2210, 11546), (2510, 10166), (2990, 8534), (3263, 7820), (3910, 6526), (4267, 5980), (4420, 5773), (5020, 5083)]