64014620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 137991168

約数和(自身を除く): 73976548

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 244, 274, 305, 383, 548, 610, 685, 766, 1220, 1370, 1532, 1915, 2740, 3830, 7660, 8357, 16714, 23363, 33428, 41785, 46726, 52471, 83570, 93452, 104942, 116815, 167140, 209884, 233630, 262355, 467260, 524710, 1049420, 3200731, 6401462, 12802924, 16003655, 32007310, 64014620]

約数ペア:

[(1, 64014620), (2, 32007310), (4, 16003655), (5, 12802924), (10, 6401462), (20, 3200731), (61, 1049420), (122, 524710), (137, 467260), (244, 262355), (274, 233630), (305, 209884), (383, 167140), (548, 116815), (610, 104942), (685, 93452), (766, 83570), (1220, 52471), (1370, 46726), (1532, 41785), (1915, 33428), (2740, 23363), (3830, 16714), (7660, 8357)]