2017220140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{7829}}^1$

素因数の和:8842

約数の個数: 48

約数和(自身を含む): 4567207680

約数和(自身を除く): 2549987540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 991, 1982, 3964, 4955, 7829, 9910, 12883, 15658, 19820, 25766, 31316, 39145, 51532, 64415, 78290, 101777, 128830, 156580, 203554, 257660, 407108, 508885, 1017770, 2035540, 7758539, 15517078, 31034156, 38792695, 77585390, 100861007, 155170780, 201722014, 403444028, 504305035, 1008610070, 2017220140]

約数ペア:

[(1, 2017220140), (2, 1008610070), (4, 504305035), (5, 403444028), (10, 201722014), (13, 155170780), (20, 100861007), (26, 77585390), (52, 38792695), (65, 31034156), (130, 15517078), (260, 7758539), (991, 2035540), (1982, 1017770), (3964, 508885), (4955, 407108), (7829, 257660), (9910, 203554), (12883, 156580), (15658, 128830), (19820, 101777), (25766, 78290), (31316, 64415), (39145, 51532)]