28964260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6553}}^1$

素因数の和:6592

約数の個数: 48

約数和(自身を含む): 69367536

約数和(自身を除く): 40403276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 6553, 13106, 26212, 32765, 65530, 85189, 111401, 131060, 170378, 222802, 340756, 425945, 445604, 557005, 851890, 1114010, 1448213, 1703780, 2228020, 2896426, 5792852, 7241065, 14482130, 28964260]

約数ペア:

[(1, 28964260), (2, 14482130), (4, 7241065), (5, 5792852), (10, 2896426), (13, 2228020), (17, 1703780), (20, 1448213), (26, 1114010), (34, 851890), (52, 557005), (65, 445604), (68, 425945), (85, 340756), (130, 222802), (170, 170378), (221, 131060), (260, 111401), (340, 85189), (442, 65530), (884, 32765), (1105, 26212), (2210, 13106), (4420, 6553)]