15822820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3203}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 37679040

約数和(自身を除く): 21856220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3203, 4940, 6406, 12812, 16015, 32030, 41639, 60857, 64060, 83278, 121714, 166556, 208195, 243428, 304285, 416390, 608570, 791141, 832780, 1217140, 1582282, 3164564, 3955705, 7911410, 15822820]

約数ペア:

[(1, 15822820), (2, 7911410), (4, 3955705), (5, 3164564), (10, 1582282), (13, 1217140), (19, 832780), (20, 791141), (26, 608570), (38, 416390), (52, 304285), (65, 243428), (76, 208195), (95, 166556), (130, 121714), (190, 83278), (247, 64060), (260, 60857), (380, 41639), (494, 32030), (988, 16015), (1235, 12812), (2470, 6406), (3203, 4940)]